Issue 21

R. Valentini et alii, Frattura ed Integrità Strutturale, 21 (2012) 30-36; DOI: 10.3221/IGF-ESIS.21.04 34 (a) (b) Figure 5 : (a) Fracture surface for AISI 4340 specimen and (b) X1000 magnification for test in air. (a) (b) Figure 6 : (a) Fracture surface for AISI 4340 specimen and (b) X1000 magnification for test with paint-stripper. (a) (b) Figure 7 : (a) Fracture surface for Maraging 250 specimen peak-aged at 480°C and (b) X1000 magnification for test in 3.5% NaCl aqueous solution with galvanic coupling.